/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.log4j;

import org.apache.log4j.spi.LoggingEvent;

import java.util.ResourceBundle;

/**
 * This class provides parameterized logging services using the SLF4J pattern
 * syntax.
 * <p>
 * Message formatting is only performed when the request exceeds the threshold
 * level of the logger.
 * 
 * @since 1.2.16
 * 
 */
public final class LogSF extends LogXF {
	/**
	 * private constructor.
	 * 
	 */
	private LogSF() {
	}

	/**
	 * Formats arguments using SLF4J-like formatter.
	 * 
	 * @param pattern
	 *            pattern, may be malformed.
	 * @param arguments
	 *            arguments.
	 * @return Message string
	 */
	private static String format(final String pattern, final Object[] arguments) {
		if (pattern != null) {
			String retval = "";
			int count = 0;
			int prev = 0;
			int pos = pattern.indexOf("{");
			while (pos >= 0) {
				if (pos == 0 || pattern.charAt(pos - 1) != '\\') {
					retval += pattern.substring(prev, pos);
					if (pos + 1 < pattern.length()
							&& pattern.charAt(pos + 1) == '}') {
						if (arguments != null && count < arguments.length) {
							retval += arguments[count++];
						} else {
							retval += "{}";
						}
						prev = pos + 2;
					} else {
						retval += "{";
						prev = pos + 1;
					}
				} else {
					retval += pattern.substring(prev, pos - 1) + "{";
					prev = pos + 1;
				}
				pos = pattern.indexOf("{", prev);
			}
			return retval + pattern.substring(prev);
		}
		return null;
	}

	/**
	 * Formats arguments using MessageFormat.
	 * 
	 * @param pattern
	 *            pattern, may be malformed.
	 * @param arg0
	 *            argument, may be null or mismatched.
	 * @return Message string
	 */
	private static String format(final String pattern, final Object arg0) {
		if (pattern != null) {
			//
			// if there is an escaped brace, delegate to multi-param formatter
			if (pattern.indexOf("\\{") >= 0) {
				return format(pattern, new Object[] { arg0 });
			}
			int pos = pattern.indexOf("{}");
			if (pos >= 0) {
				return pattern.substring(0, pos) + arg0
						+ pattern.substring(pos + 2);
			}
		}
		return pattern;
	}

	/**
	 * Formats arguments using MessageFormat using a pattern from a resource
	 * bundle.
	 * 
	 * @param resourceBundleName
	 *            name of resource bundle, may be null.
	 * @param key
	 *            key for pattern in resource bundle, may be null.
	 * @param arguments
	 *            arguments, may be null or mismatched.
	 * @return Message string or null
	 */
	private static String format(final String resourceBundleName,
			final String key, final Object[] arguments) {
		String pattern;
		if (resourceBundleName != null) {
			try {
				ResourceBundle bundle = ResourceBundle
						.getBundle(resourceBundleName);
				pattern = bundle.getString(key);
			} catch (Exception ex) {
				pattern = key;
			}
		} else {
			pattern = key;
		}
		return format(pattern, arguments);
	}

	/**
	 * Fully Qualified Class Name of this class.
	 */
	private static final String FQCN = LogSF.class.getName();

	/**
	 * Equivalent of Logger.forcedLog.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param msg
	 *            message, may be null.
	 */
	private static void forcedLog(final Logger logger, final Level level,
			final String msg) {
		logger.callAppenders(new LoggingEvent(FQCN, logger, level, msg, null));
	}

	/**
	 * Equivalent of Logger.forcedLog.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param msg
	 *            message, may be null.
	 * @param t
	 *            throwable.
	 */
	private static void forcedLog(final Logger logger, final Level level,
			final String msg, final Throwable t) {
		logger.callAppenders(new LoggingEvent(FQCN, logger, level, msg, t));
	}

	/**
	 * Log a parameterized message at trace level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arguments
	 *            an array of arguments to be formatted and substituted.
	 */
	public static void trace(final Logger logger, final String pattern,
			final Object[] arguments) {
		if (logger.isEnabledFor(TRACE)) {
			forcedLog(logger, TRACE, format(pattern, arguments));
		}
	}

	/**
	 * Log a parameterized message at debug level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arguments
	 *            an array of arguments to be formatted and substituted.
	 */
	public static void debug(final Logger logger, final String pattern,
			final Object[] arguments) {
		if (logger.isDebugEnabled()) {
			forcedLog(logger, Level.DEBUG, format(pattern, arguments));
		}
	}

	/**
	 * Log a parameterized message at info level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arguments
	 *            an array of arguments to be formatted and substituted.
	 */
	public static void info(final Logger logger, final String pattern,
			final Object[] arguments) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO, format(pattern, arguments));
		}
	}

	/**
	 * Log a parameterized message at warn level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arguments
	 *            an array of arguments to be formatted and substituted.
	 */
	public static void warn(final Logger logger, final String pattern,
			final Object[] arguments) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN, format(pattern, arguments));
		}
	}

	/**
	 * Log a parameterized message at error level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arguments
	 *            an array of arguments to be formatted and substituted.
	 */
	public static void error(final Logger logger, final String pattern,
			final Object[] arguments) {
		if (logger.isEnabledFor(Level.ERROR)) {
			forcedLog(logger, Level.ERROR, format(pattern, arguments));
		}
	}

	/**
	 * Log a parameterized message at fatal level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arguments
	 *            an array of arguments to be formatted and substituted.
	 */
	public static void fatal(final Logger logger, final String pattern,
			final Object[] arguments) {
		if (logger.isEnabledFor(Level.FATAL)) {
			forcedLog(logger, Level.FATAL, format(pattern, arguments));
		}
	}

	/**
	 * Log a parameterized message at trace level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param t
	 *            throwable, may be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arguments
	 *            an array of arguments to be formatted and substituted.
	 */
	public static void trace(final Logger logger, final Throwable t,
			final String pattern, final Object[] arguments) {
		if (logger.isEnabledFor(TRACE)) {
			forcedLog(logger, TRACE, format(pattern, arguments), t);
		}
	}

	/**
	 * Log a parameterized message at debug level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param t
	 *            throwable, may be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arguments
	 *            an array of arguments to be formatted and substituted.
	 */
	public static void debug(final Logger logger, final Throwable t,
			final String pattern, final Object[] arguments) {
		if (logger.isDebugEnabled()) {
			forcedLog(logger, Level.DEBUG, format(pattern, arguments), t);
		}
	}

	/**
	 * Log a parameterized message at info level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param t
	 *            throwable, may be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arguments
	 *            an array of arguments to be formatted and substituted.
	 */
	public static void info(final Logger logger, final Throwable t,
			final String pattern, final Object[] arguments) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO, format(pattern, arguments), t);
		}
	}

	/**
	 * Log a parameterized message at warn level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param t
	 *            throwable, may be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arguments
	 *            an array of arguments to be formatted and substituted.
	 */
	public static void warn(final Logger logger, final Throwable t,
			final String pattern, final Object[] arguments) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN, format(pattern, arguments), t);
		}
	}

	/**
	 * Log a parameterized message at error level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param t
	 *            throwable, may be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arguments
	 *            an array of arguments to be formatted and substituted.
	 */
	public static void error(final Logger logger, final Throwable t,
			final String pattern, final Object[] arguments) {
		if (logger.isEnabledFor(Level.ERROR)) {
			forcedLog(logger, Level.ERROR, format(pattern, arguments), t);
		}
	}

	/**
	 * Log a parameterized message at fatal level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param t
	 *            throwable, may be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arguments
	 *            an array of arguments to be formatted and substituted.
	 */
	public static void fatal(final Logger logger, final Throwable t,
			final String pattern, final Object[] arguments) {
		if (logger.isEnabledFor(Level.FATAL)) {
			forcedLog(logger, Level.FATAL, format(pattern, arguments), t);
		}
	}

	/**
	 * Log a parameterized message at trace level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void trace(final Logger logger, final String pattern,
			final boolean argument) {
		if (logger.isEnabledFor(TRACE)) {
			forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at trace level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void trace(final Logger logger, final String pattern,
			final char argument) {
		if (logger.isEnabledFor(TRACE)) {
			forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at trace level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void trace(final Logger logger, final String pattern,
			final byte argument) {
		if (logger.isEnabledFor(TRACE)) {
			forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at trace level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void trace(final Logger logger, final String pattern,
			final short argument) {
		if (logger.isEnabledFor(TRACE)) {
			forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at trace level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void trace(final Logger logger, final String pattern,
			final int argument) {
		if (logger.isEnabledFor(TRACE)) {
			forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at trace level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void trace(final Logger logger, final String pattern,
			final long argument) {
		if (logger.isEnabledFor(TRACE)) {
			forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at trace level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void trace(final Logger logger, final String pattern,
			final float argument) {
		if (logger.isEnabledFor(TRACE)) {
			forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at trace level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void trace(final Logger logger, final String pattern,
			final double argument) {
		if (logger.isEnabledFor(TRACE)) {
			forcedLog(logger, TRACE, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at trace level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void trace(final Logger logger, final String pattern,
			final Object argument) {
		if (logger.isEnabledFor(TRACE)) {
			forcedLog(logger, TRACE, format(pattern, argument));
		}
	}

	/**
	 * Log a parameterized message at trace level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arg0
	 *            a value to be formatted and substituted.
	 * @param arg1
	 *            a value to be formatted and substituted.
	 */
	public static void trace(final Logger logger, final String pattern,
			final Object arg0, final Object arg1) {
		if (logger.isEnabledFor(TRACE)) {
			forcedLog(logger, TRACE, format(pattern, toArray(arg0, arg1)));
		}
	}

	/**
	 * Log a parameterized message at trace level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arg0
	 *            a value to be formatted and substituted.
	 * @param arg1
	 *            a value to be formatted and substituted.
	 * @param arg2
	 *            a value to be formatted and substituted.
	 */
	public static void trace(final Logger logger, final String pattern,
			final Object arg0, final Object arg1, final Object arg2) {
		if (logger.isEnabledFor(TRACE)) {
			forcedLog(logger, TRACE, format(pattern, toArray(arg0, arg1, arg2)));
		}
	}

	/**
	 * Log a parameterized message at trace level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arg0
	 *            a value to be formatted and substituted.
	 * @param arg1
	 *            a value to be formatted and substituted.
	 * @param arg2
	 *            a value to be formatted and substituted.
	 * @param arg3
	 *            a value to be formatted and substituted.
	 */
	public static void trace(final Logger logger, final String pattern,
			final Object arg0, final Object arg1, final Object arg2,
			final Object arg3) {
		if (logger.isEnabledFor(TRACE)) {
			forcedLog(logger, TRACE,
					format(pattern, toArray(arg0, arg1, arg2, arg3)));
		}
	}

	/**
	 * Log a parameterized message at debug level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void debug(final Logger logger, final String pattern,
			final boolean argument) {
		if (logger.isDebugEnabled()) {
			forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at debug level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void debug(final Logger logger, final String pattern,
			final char argument) {
		if (logger.isDebugEnabled()) {
			forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at debug level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void debug(final Logger logger, final String pattern,
			final byte argument) {
		if (logger.isDebugEnabled()) {
			forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at debug level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void debug(final Logger logger, final String pattern,
			final short argument) {
		if (logger.isDebugEnabled()) {
			forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at debug level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void debug(final Logger logger, final String pattern,
			final int argument) {
		if (logger.isDebugEnabled()) {
			forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at debug level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void debug(final Logger logger, final String pattern,
			final long argument) {
		if (logger.isDebugEnabled()) {
			forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at debug level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void debug(final Logger logger, final String pattern,
			final float argument) {
		if (logger.isDebugEnabled()) {
			forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at debug level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void debug(final Logger logger, final String pattern,
			final double argument) {
		if (logger.isDebugEnabled()) {
			forcedLog(logger, Level.DEBUG, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at debug level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void debug(final Logger logger, final String pattern,
			final Object argument) {
		if (logger.isDebugEnabled()) {
			forcedLog(logger, Level.DEBUG, format(pattern, argument));
		}
	}

	/**
	 * Log a parameterized message at debug level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arg0
	 *            a value to be formatted and substituted.
	 * @param arg1
	 *            a value to be formatted and substituted.
	 */
	public static void debug(final Logger logger, final String pattern,
			final Object arg0, final Object arg1) {
		if (logger.isDebugEnabled()) {
			forcedLog(logger, Level.DEBUG, format(pattern, toArray(arg0, arg1)));
		}
	}

	/**
	 * Log a parameterized message at debug level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arg0
	 *            a value to be formatted and substituted.
	 * @param arg1
	 *            a value to be formatted and substituted.
	 * @param arg2
	 *            a value to be formatted and substituted.
	 */
	public static void debug(final Logger logger, final String pattern,
			final Object arg0, final Object arg1, final Object arg2) {
		if (logger.isDebugEnabled()) {
			forcedLog(logger, Level.DEBUG,
					format(pattern, toArray(arg0, arg1, arg2)));
		}
	}

	/**
	 * Log a parameterized message at debug level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arg0
	 *            a value to be formatted and substituted.
	 * @param arg1
	 *            a value to be formatted and substituted.
	 * @param arg2
	 *            a value to be formatted and substituted.
	 * @param arg3
	 *            a value to be formatted and substituted.
	 */
	public static void debug(final Logger logger, final String pattern,
			final Object arg0, final Object arg1, final Object arg2,
			final Object arg3) {
		if (logger.isDebugEnabled()) {
			forcedLog(logger, Level.DEBUG,
					format(pattern, toArray(arg0, arg1, arg2, arg3)));
		}
	}

	/**
	 * Log a parameterized message at info level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void info(final Logger logger, final String pattern,
			final boolean argument) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at info level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void info(final Logger logger, final String pattern,
			final char argument) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at info level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void info(final Logger logger, final String pattern,
			final byte argument) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at info level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void info(final Logger logger, final String pattern,
			final short argument) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at info level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void info(final Logger logger, final String pattern,
			final int argument) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at info level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void info(final Logger logger, final String pattern,
			final long argument) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at info level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void info(final Logger logger, final String pattern,
			final float argument) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at info level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void info(final Logger logger, final String pattern,
			final double argument) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at info level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void info(final Logger logger, final String pattern,
			final Object argument) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO, format(pattern, argument));
		}
	}

	/**
	 * Log a parameterized message at info level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arg0
	 *            a value to be formatted and substituted.
	 * @param arg1
	 *            a value to be formatted and substituted.
	 */
	public static void info(final Logger logger, final String pattern,
			final Object arg0, final Object arg1) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO, format(pattern, toArray(arg0, arg1)));
		}
	}

	/**
	 * Log a parameterized message at info level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arg0
	 *            a value to be formatted and substituted.
	 * @param arg1
	 *            a value to be formatted and substituted.
	 * @param arg2
	 *            a value to be formatted and substituted.
	 */
	public static void info(final Logger logger, final String pattern,
			final Object arg0, final Object arg1, final Object arg2) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO,
					format(pattern, toArray(arg0, arg1, arg2)));
		}
	}

	/**
	 * Log a parameterized message at info level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arg0
	 *            a value to be formatted and substituted.
	 * @param arg1
	 *            a value to be formatted and substituted.
	 * @param arg2
	 *            a value to be formatted and substituted.
	 * @param arg3
	 *            a value to be formatted and substituted.
	 */
	public static void info(final Logger logger, final String pattern,
			final Object arg0, final Object arg1, final Object arg2,
			final Object arg3) {
		if (logger.isInfoEnabled()) {
			forcedLog(logger, Level.INFO,
					format(pattern, toArray(arg0, arg1, arg2, arg3)));
		}
	}

	/**
	 * Log a parameterized message at warn level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void warn(final Logger logger, final String pattern,
			final boolean argument) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at warn level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void warn(final Logger logger, final String pattern,
			final char argument) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at warn level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void warn(final Logger logger, final String pattern,
			final byte argument) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at warn level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void warn(final Logger logger, final String pattern,
			final short argument) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at warn level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void warn(final Logger logger, final String pattern,
			final int argument) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at warn level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void warn(final Logger logger, final String pattern,
			final long argument) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at warn level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void warn(final Logger logger, final String pattern,
			final float argument) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at warn level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void warn(final Logger logger, final String pattern,
			final double argument) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN, format(pattern, valueOf(argument)));
		}
	}

	/**
	 * Log a parameterized message at warn level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param argument
	 *            a value to be formatted and substituted.
	 */
	public static void warn(final Logger logger, final String pattern,
			final Object argument) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN, format(pattern, argument));
		}
	}

	/**
	 * Log a parameterized message at warn level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arg0
	 *            a value to be formatted and substituted.
	 * @param arg1
	 *            a value to be formatted and substituted.
	 */
	public static void warn(final Logger logger, final String pattern,
			final Object arg0, final Object arg1) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN, format(pattern, toArray(arg0, arg1)));
		}
	}

	/**
	 * Log a parameterized message at warn level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arg0
	 *            a value to be formatted and substituted.
	 * @param arg1
	 *            a value to be formatted and substituted.
	 * @param arg2
	 *            a value to be formatted and substituted.
	 */
	public static void warn(final Logger logger, final String pattern,
			final Object arg0, final Object arg1, final Object arg2) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN,
					format(pattern, toArray(arg0, arg1, arg2)));
		}
	}

	/**
	 * Log a parameterized message at warn level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arg0
	 *            a value to be formatted and substituted.
	 * @param arg1
	 *            a value to be formatted and substituted.
	 * @param arg2
	 *            a value to be formatted and substituted.
	 * @param arg3
	 *            a value to be formatted and substituted.
	 */
	public static void warn(final Logger logger, final String pattern,
			final Object arg0, final Object arg1, final Object arg2,
			final Object arg3) {
		if (logger.isEnabledFor(Level.WARN)) {
			forcedLog(logger, Level.WARN,
					format(pattern, toArray(arg0, arg1, arg2, arg3)));
		}
	}

	/**
	 * Log a parameterized message at specified level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param parameters
	 *            parameters to the log message.
	 */
	public static void log(final Logger logger, final Level level,
			final String pattern, final Object[] parameters) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level, format(pattern, parameters));
		}
	}

	/**
	 * Log a parameterized message at specified level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param t
	 *            throwable, may be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param parameters
	 *            parameters to the log message.
	 */
	public static void log(final Logger logger, final Level level,
			final Throwable t, final String pattern, final Object[] parameters) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level, format(pattern, parameters), t);
		}
	}

	/**
	 * Log a parameterized message at specified level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param param1
	 *            parameter to the log message.
	 */
	public static void log(final Logger logger, final Level level,
			final String pattern, final Object param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level, format(pattern, toArray(param1)));
		}
	}

	/**
	 * Log a parameterized message at specified level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param param1
	 *            parameter to the log message.
	 */
	public static void log(final Logger logger, final Level level,
			final String pattern, final boolean param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level, format(pattern, toArray(valueOf(param1))));
		}
	}

	/**
	 * Log a parameterized message at specified level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param param1
	 *            parameter to the log message.
	 */
	public static void log(final Logger logger, final Level level,
			final String pattern, final byte param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level, format(pattern, toArray(valueOf(param1))));
		}
	}

	/**
	 * Log a parameterized message at specified level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param param1
	 *            parameter to the log message.
	 */
	public static void log(final Logger logger, final Level level,
			final String pattern, final char param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level, format(pattern, toArray(valueOf(param1))));
		}
	}

	/**
	 * Log a parameterized message at specified level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param param1
	 *            parameter to the log message.
	 */
	public static void log(final Logger logger, final Level level,
			final String pattern, final short param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level, format(pattern, toArray(valueOf(param1))));
		}
	}

	/**
	 * Log a parameterized message at specified level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param param1
	 *            parameter to the log message.
	 */
	public static void log(final Logger logger, final Level level,
			final String pattern, final int param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level, format(pattern, toArray(valueOf(param1))));
		}
	}

	/**
	 * Log a parameterized message at specified level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param param1
	 *            parameter to the log message.
	 */
	public static void log(final Logger logger, final Level level,
			final String pattern, final long param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level, format(pattern, toArray(valueOf(param1))));
		}
	}

	/**
	 * Log a parameterized message at specified level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param param1
	 *            parameter to the log message.
	 */
	public static void log(final Logger logger, final Level level,
			final String pattern, final float param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level, format(pattern, toArray(valueOf(param1))));
		}
	}

	/**
	 * Log a parameterized message at specified level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param param1
	 *            parameter to the log message.
	 */
	public static void log(final Logger logger, final Level level,
			final String pattern, final double param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level, format(pattern, toArray(valueOf(param1))));
		}
	}

	/**
	 * Log a parameterized message at specified level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arg0
	 *            a value to be formatted and substituted.
	 * @param arg1
	 *            a value to be formatted and substituted.
	 */
	public static void log(final Logger logger, final Level level,
			final String pattern, final Object arg0, final Object arg1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level, format(pattern, toArray(arg0, arg1)));
		}
	}

	/**
	 * Log a parameterized message at specifed level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param arg0
	 *            a value to be formatted and substituted.
	 * @param arg1
	 *            a value to be formatted and substituted.
	 * @param arg2
	 *            a value to be formatted and substituted.
	 */
	public static void log(final Logger logger, final Level level,
			final String pattern, final Object arg0, final Object arg1,
			final Object arg2) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level, format(pattern, toArray(arg0, arg1, arg2)));
		}
	}

	/**
	 * Log a parameterized message at specified level.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param pattern
	 *            pattern, may be null.
	 * @param level
	 *            level, may not be null.
	 * @param arg0
	 *            a value to be formatted and substituted.
	 * @param arg1
	 *            a value to be formatted and substituted.
	 * @param arg2
	 *            a value to be formatted and substituted.
	 * @param arg3
	 *            a value to be formatted and substituted.
	 */
	public static void log(final Logger logger, final Level level,
			final String pattern, final Object arg0, final Object arg1,
			final Object arg2, final Object arg3) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level,
					format(pattern, toArray(arg0, arg1, arg2, arg3)));
		}
	}

	/**
	 * Log a parameterized message using a pattern from a resource bundle.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param bundleName
	 *            resource bundle name, may be null.
	 * @param key
	 *            key, may be null.
	 * @param parameters
	 *            parameters to the log message.
	 */
	public static void logrb(final Logger logger, final Level level,
			final String bundleName, final String key, final Object[] parameters) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level, format(bundleName, key, parameters));
		}
	}

	/**
	 * Log a parameterized message using a pattern from a resource bundle.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param t
	 *            throwable, may be null.
	 * @param bundleName
	 *            resource bundle name, may be null.
	 * @param key
	 *            key, may be null.
	 * @param parameters
	 *            parameters to the log message.
	 */
	public static void logrb(final Logger logger, final Level level,
			final Throwable t, final String bundleName, final String key,
			final Object[] parameters) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level, format(bundleName, key, parameters), t);
		}
	}

	/**
	 * Log a parameterized message using a pattern from a resource bundle.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param bundleName
	 *            resource bundle name, may be null.
	 * @param key
	 *            key, may be null.
	 * @param param1
	 *            Parameter to the log message.
	 */
	public static void logrb(final Logger logger, final Level level,
			final String bundleName, final String key, final Object param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level, format(bundleName, key, toArray(param1)));
		}
	}

	/**
	 * Log a parameterized message using a pattern from a resource bundle.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param bundleName
	 *            resource bundle name, may be null.
	 * @param key
	 *            key, may be null.
	 * @param param1
	 *            Parameter to the log message.
	 */
	public static void logrb(final Logger logger, final Level level,
			final String bundleName, final String key, final boolean param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level,
					format(bundleName, key, toArray(valueOf(param1))));
		}
	}

	/**
	 * Log a parameterized message using a pattern from a resource bundle.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param bundleName
	 *            resource bundle name, may be null.
	 * @param key
	 *            key, may be null.
	 * @param param1
	 *            Parameter to the log message.
	 */
	public static void logrb(final Logger logger, final Level level,
			final String bundleName, final String key, final char param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level,
					format(bundleName, key, toArray(valueOf(param1))));
		}
	}

	/**
	 * Log a parameterized message using a pattern from a resource bundle.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param bundleName
	 *            resource bundle name, may be null.
	 * @param key
	 *            key, may be null.
	 * @param param1
	 *            Parameter to the log message.
	 */
	public static void logrb(final Logger logger, final Level level,
			final String bundleName, final String key, final byte param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level,
					format(bundleName, key, toArray(valueOf(param1))));
		}
	}

	/**
	 * Log a parameterized message using a pattern from a resource bundle.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param bundleName
	 *            resource bundle name, may be null.
	 * @param key
	 *            key, may be null.
	 * @param param1
	 *            Parameter to the log message.
	 */
	public static void logrb(final Logger logger, final Level level,
			final String bundleName, final String key, final short param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level,
					format(bundleName, key, toArray(valueOf(param1))));
		}
	}

	/**
	 * Log a parameterized message using a pattern from a resource bundle.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param bundleName
	 *            resource bundle name, may be null.
	 * @param key
	 *            key, may be null.
	 * @param param1
	 *            Parameter to the log message.
	 */
	public static void logrb(final Logger logger, final Level level,
			final String bundleName, final String key, final int param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level,
					format(bundleName, key, toArray(valueOf(param1))));
		}
	}

	/**
	 * Log a parameterized message using a pattern from a resource bundle.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param bundleName
	 *            resource bundle name, may be null.
	 * @param key
	 *            key, may be null.
	 * @param param1
	 *            Parameter to the log message.
	 */
	public static void logrb(final Logger logger, final Level level,
			final String bundleName, final String key, final long param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level,
					format(bundleName, key, toArray(valueOf(param1))));
		}
	}

	/**
	 * Log a parameterized message using a pattern from a resource bundle.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param bundleName
	 *            resource bundle name, may be null.
	 * @param key
	 *            key, may be null.
	 * @param param1
	 *            Parameter to the log message.
	 */
	public static void logrb(final Logger logger, final Level level,
			final String bundleName, final String key, final float param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level,
					format(bundleName, key, toArray(valueOf(param1))));
		}
	}

	/**
	 * Log a parameterized message using a pattern from a resource bundle.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param bundleName
	 *            resource bundle name, may be null.
	 * @param key
	 *            key, may be null.
	 * @param param1
	 *            Parameter to the log message.
	 */
	public static void logrb(final Logger logger, final Level level,
			final String bundleName, final String key, final double param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level,
					format(bundleName, key, toArray(valueOf(param1))));
		}
	}

	/**
	 * Log a parameterized message using a pattern from a resource bundle.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param bundleName
	 *            resource bundle name, may be null.
	 * @param key
	 *            key, may be null.
	 * @param param0
	 *            Parameter to the log message.
	 * @param param1
	 *            Parameter to the log message.
	 */
	public static void logrb(final Logger logger, final Level level,
			final String bundleName, final String key, final Object param0,
			final Object param1) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level,
					format(bundleName, key, toArray(param0, param1)));
		}
	}

	/**
	 * Log a parameterized message using a pattern from a resource bundle.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param bundleName
	 *            resource bundle name, may be null.
	 * @param key
	 *            key, may be null.
	 * @param param0
	 *            Parameter to the log message.
	 * @param param1
	 *            Parameter to the log message.
	 * @param param2
	 *            Parameter to the log message.
	 */
	public static void logrb(final Logger logger, final Level level,
			final String bundleName, final String key, final Object param0,
			final Object param1, final Object param2) {
		if (logger.isEnabledFor(level)) {
			forcedLog(logger, level,
					format(bundleName, key, toArray(param0, param1, param2)));
		}
	}

	/**
	 * Log a parameterized message using a pattern from a resource bundle.
	 * 
	 * @param logger
	 *            logger, may not be null.
	 * @param level
	 *            level, may not be null.
	 * @param bundleName
	 *            resource bundle name, may be null.
	 * @param key
	 *            key, may be null.
	 * @param param0
	 *            Parameter to the log message.
	 * @param param1
	 *            Parameter to the log message.
	 * @param param2
	 *            Parameter to the log message.
	 * @param param3
	 *            Parameter to the log message.
	 */
	public static void logrb(final Logger logger, final Level level,
			final String bundleName, final String key, final Object param0,
			final Object param1, final Object param2, final Object param3) {
		if (logger.isEnabledFor(level)) {
			forcedLog(
					logger,
					level,
					format(bundleName, key,
							toArray(param0, param1, param2, param3)));
		}
	}
}
